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PDF RFFM8511 Data sheet ( Hoja de datos )
| Número de pieza | RFFM8511 | |
| Descripción | WiFi FRONT END MODULE | |
| Fabricantes | RF Micro Devices | |
| Logotipo |  |
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DRAFT
DRAFT
RFFM8511
4.9GHz to 5.85GHz 802.11a/n/ac WiFi
Front End Module
The RFFM8511 provides a complete integrated solution in a single front
end module (FEM) for WiFi 802.11a/n/ac systems. The ultra-small factor
and integrated matching minimizes layout area in the customer’s
application and greatly reduces the number of external components.
This simplifies the total front end solution by reducing the bill of
materials, system footprint, and manufacturing cost. The RFFM8511
integrates a 5GHz power amplifier (PA), single pole double throw switch
(SP2T), LNA with bypass, and a power detector coupler for improved
accuracy. The device is provided in a 2.5mm x 2.5mm x 0.40mm, 16-pin
QFN package.
LNA_EN C_RX
16 15
GND 1
GND
14
ANT
13
12 GND
RX 2
GND 3
11 VCC
10 VCC
VCC 4
5
PDET
6
PA_EN
7
GND
9 Vmode
8
TX
Functional Block Diagram
Ordering Information
RFFM8511SB
Standard 5-piece sample bag
RFFM8511SQ
Standard 25-piece bag
RFFM8511SR
Standard 100-piece reel
RFFM8511TR7
Standard 2500-piece reel
RFFM8511PCK-410 Fully assembled eval board w/ 5-piece bag
RFFM8511
Package: QFN, 16-pin,
2.5mm x 2.5mm x 0.40mm
Features
■ POUT = +18.0dBm at 3.6V,
802.11ac 80MHz MCS9 256QAM
at 1.8% Dynamic EVM Compliance
■ POUT = +19.0dBm, 11n 20MHz
2.5% (-32dB)EVM
■ POUT = +21.0dBm at 3.6V,
802.11ac 80MHz MCS0 at
Spectral Mask Compliance
■ Input and Output Matched to 50Ω
■ Integrated 5GHz PA, SP2T Switch,
LNA, and PDET
■ Low Height Package, Suited for
Module and Chip On Board (CoB)
designs
■ Supports low power mode for
improved efficiency
Applications
■ Cellular Handsets
■ Mobile Devices
■ Tablets
■ Consumer Electronics
■ Gaming
■ Netbooks/Notebooks
■ TV/Monitors/Video
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS140711
DRAFT DRAFTRF MICRO DEVICES® and RFMD® are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names,
trademarks, and registered trademarks are the property of their respective owners. ©2013, RF Micro Devices, Inc.
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DRAFT
RFFM8511
PRELIMINARY
Switch Control Logic Truth Table
Operating Mode
PA_EN
Standby
Low
802.11a/n/ac TX High Power
High
802.11a/n/ac TX Low Power
High
802.11a/n/ac RX Gain
Low
802.11a/n/ac RX Bypass
Low
Notes:
• PA_EN and TX switch control are tied together internally.
• High = 2.8 to VCC. Low = 0V to 0.2V
Timing Diagram
LNA_EN
Low
Low
Low
High
Low
VCC
PA_EN
Transmit Timing Diagram
Power ON / OFF Sequence
Range is set Per the data sheet
Level is set Per the data sheet
TX RF Signal
LNA_EN
C_RX
RX is Low during TX
RX is Low during TX
DRAFT
C_RX
Low
Low
Low
High
High
Vmode
Low
Low
High
Low
Low
Apply 3.6v to pins
4, 10, and 11
For Transmit: apply
3.1v to pin-6
RF signal ON time is
0.5uS max. Set RF
input to required level.
Both controls must be
OFF during transmit.
The order is not critical.
Apply a max of 0.4v to
pins 15 and 16
Time
0.2uSec
0.2uSec
0.2uSec
0.2uSec
Note1: RF Signal for each specific mode is applied after the DC bias is applied
Note2: Total ON/OFF time includes from 10% of control switching to 90% of RF power
Note3: Listed values on diagram are typical. The maximum is 0.5us for each mode
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS140711
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
DRAFT DRAFTapplication circuitry and specifications at any time without prior notice.
5 of 9
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet RFFM8511.PDF ] | |
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